The Seiko 9983-8020 is a watch model based on the 9983 movement.
Parts List
| 300WB2SA00 | crystal - crystal (sapphire) |
| 40M60ND3 | crown - crown |
| DZ2900B04 | case back gasket - case back gasket |
| DZ2975N04 | crystal gasket - crystal gasket |
| 86109282 | crystal gasket - crystal fixing ring |
| 86179730 | bezel gasket - plastic gasket for bezel |
| BK102 | band - leather band |
| 12C30CGH | hand - hour hand |
| 12C30CGM | hand - minute hand |
| 12SC04D2 | hand - second hand |
| 83335605 | others - bezel |
| 9983802002G8 | others - dial |
| 9983802085 | others - case |
| 99839 | others - machine code |
| A170CS | others - push pin |
| 83106850 | others - case ring |
| 0801787 | others - date dial |
| 0884991 | others - holding ring for dial |
| 0354781 | others - winding stem |
| 83599599 | others - battery hatch |
| DZ1320B01 | others - battery hatch gasket |
| DZ1320B | others - batteriedeckeldichtung |
Other models with the same movement